Center is 90, left is 0 and right is 180. Due to our STEM education initiative we modified the servos to reference DEGREES instead of arbitrary numbers like other robot products.

so its possible to set excample 100 degrees as possition if i wanted.

Yes, servos on the v4 will rotate to any position between 0 and 180 degrees.

great.my idea is to make a part whit servo in it.to turn the body to the left and right. the body is 6 cm deep and servo is also 6 cm long.i thought use the servo side ways. but still have the turn left&right.